Infiniti F50. Manual - part 761

AUTOMATIC DRIVE POSITIONER

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Work Flow 

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1.

Check the symptom and customer's requests.

2.

Understand the system description. Refer to 

SE-13, "System Description"

 .

3.

Perform the preliminary check. Refer to 

SE-36, "Preliminary Check"

 .

4.

Perform the communication diagnosis. 
With CONSULT–II, Refer to 

SE-40, "IVMS Communication Diagnosis"

 .

Without CONSULT–II, refer to 

SE-47, "COMMUNICATION DIAGNOSIS"

 .

 Is the communication diagnosis result OK? 
If OK, GO TO 7. 
If NG, GO TO 5.

5.

Repair or replace depending on the diagnosis result.

6.

Perform the communication diagnosis again.
With CONSULT–II, refer to 

SE-40, "IVMS Communication Diagnosis"

 .

Without CONSULT–II, refer to 

SE-47, "COMMUNICATION DIAGNOSIS"

 .

Is the communication diagnosis result OK? 
If OK, GO TO 7.
 If NG, GO TO 5.

7.

Perform the self-diagnosis.
With CONSULT–II, refer to 

SE-43, "SELF-DIAGNOSIS RESULTS"

 . 

Without CONSULT–II, refer to 

SE-51, "ON BOARD DIAGNOSIS FOR AUTOMATIC DRIVE POSI-

TIONER"

 .

Is the self-diagnosis result OK? 
If OK, GO TO 11. 
If NG, GO TO 8.

8.

Repair or replace depending on the self-diagnosis result.

9.

Perform the self-diagnosis again.
With CONSULT–II, refer to 

SE-43, "SELF-DIAGNOSIS RESULTS"

 .

Without CONSULT–II, refer to 

SE-51, "ON BOARD DIAGNOSIS FOR AUTOMATIC DRIVE POSI-

TIONER"

 .

Is the self-diagnosis result OK? 
If OK, GO TO 11.
 If NG, GO TO 8.

10. Based on the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to 

SE-53,

"Symptom Chart"

 .

11. Does the automatic drive positioned system operate normally?

If it is normal, GO TO 12. 
If it is not normal, GO TO 10.

12. Inspection end.

31

W/R

Rear lifting sensor sig-
nal

Rear lifting motor operation

Other than above.

 0 

32

R/W

Ground (sensor)

Ignition switch ON

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TERMI-

NAL

WIRE

COLOR

ITEM

CONDITION

VOLTAGE (V)

(Approx.)

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AUTOMATIC DRIVE POSITIONER

Preliminary  Check

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SETTING CHANGE FUNCTION

The settings of the automatic driving position system can be changed, using CONSULT–II and the display unit
in the center of the instrument panel.

×

: Applicable   –: Not applicable

NOTE:
After the setting is registered, the new setting is effective, even if the battery is disconnected.

POWER SUPPLY AND GROUND CIRCUIT INSPECTION

1. 

CHECK FUSE

Check that any of the following fuses in the BCM are blown.

NOTE:
Refer to 

SE-17, "Component Parts and Harness Connector Location"

 .

OK or NG

OK

>> GO TO 2.

NG

>> If fuse is blown, be sure to eliminate cause of problem before installing new fuse. Refer to 

SE-17,

"Component Parts and Harness Connector Location"

 .

Setting item

Content

CONSULT–II

(WORK SUPPORT)

Display unit

Factory 

setting

EXITING OPERATION 
PART SET

The applied parts at exit  can 
be selected from the following 
4 modes.

Mode 1

Steering wheel and 

seat

—

×

Mode 2

Steering wheel only

—

Mode 3

Seat only

—

Mode 4

No operation

—

Tilt Steering Wheel When 
Exiting Vehicle

Tilt of the steering wheel at 
entry and exit  can be selected: 
ON (operated)–OFF (not oper-
ated)

—

ON: Indicator lamp ON

×

OFF: Indicator lamp OFF

—

Sliding Driver Seat When 
Entry / Exiting Vehicle

The seat sliding turnout and 
return at entry/exit can be 
selected: ON (operated)–OFF 
(not operated)

—

ON: Indicator lamp ON

×

OFF: Indicator lamp OFF

—

Unit

Signal name

Fuse No.

Location

BCM

Battery power

H (40A)

Fuse, fusible link and relay block (J/B)

3 (10A)

Fuse block (J/B) No.1

ACC or ON power supply

21 (10A)

START power supply

14 (10A)

IGN or START power supply

1 (10A)

AUTOMATIC DRIVE POSITIONER

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2. 

CHECK POWER SUPPLY CIRCUIT (BCM)

1.

Disconnect BCM connector. 

2.

Check voltage between BCM connector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Check harness for open and short between BCM and fuse.

3. 

GROUND CIRCUIT INSPECTION (BCM).

Check continuity between BCM connector and ground.

OK or NG

OK

>> BCM circuit is OK. Check the driver seat control unit. GO TO 4.

NG

>> Repair or replace the harness between BCM and ground. 

4. 

CHECK POWER SUPPLY CIRCUIT (DRIVER SEAT CONTROL UNIT)

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit connector.

3.

Check voltage between driver seat control unit connector B142 terminal 16A (R) and ground.

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace harness between driver seat control

unit and fuse block (J/B) No. 1.

Connector

Terminals 

(Wire color)

Condition

Voltage (V) 

(Approx.)

(+)

(–)

M4

104 (Y/B),

105 (Y/L)

Ground

Ignition switch 
OFF

Battery voltage

60 (L/OR)

Ignition switch
ACC or ON

Battery voltage

55 (B/W)

Ignition switch 
START

Battery voltage

68 (W/B)

Ignition switch
ON or START

Battery voltage

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Connector

Terminals 

(Wire color)

Condition

Continuity

(+)

(–)

M4

56 (B)

Ground

Ignition 
switch 
OFF

Continuity should 

exist

113 (B)

Ignition 
switch
OFF

Continuity should 

exist

114 (B)

Ignition 
switch 
OFF

Continuity should 

exist

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16A (R) – Ground

:Battery voltage.

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AUTOMATIC DRIVE POSITIONER

5. 

CHECK GROUND CIRCUIT (DRIVER SEAT CONTROL UNIT)

Check continuity between the driver seat control unit connector B142 terminal 14A (B/W), 15B (B) and ground.

OK or NG

OK

>> Driver seat control unit circuit is OK.

NG

>> Repair or place harness between driver seat control unit

(LCU 02) and ground.

14A (B/W) – Ground

:Continuity should exist.

15B (B) – Ground

:Continuity should exist.

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